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DoCoMo Tests Wi-Fi Handset

Updated Dec. 5, 2003 1:27 p.m. ET

NTT DoCoMo has developed a test model of a cellphone that can communicate over its super-fast third-generation cellular service and Wi-Fi Internet networks. With the new handset, people would be able to use Wi-Fi networks to surf the Web or to talk, using Internet phone technology known as voice over Internet protocol, or VoIP, the company said. The phone would run on NTT DoCoMo's more widespread wireless network when it was out of range of a Wi-Fi "hot spot." The Tokyo-based company said Friday that no decision has been made on when the phone will become available, and that more work needs to be done to...